HB 1151

Basic Information

NameHB 1151
ManufacturerHB
Launch Year1950
Caliber FamilyDescription
115, 1151, 1161: -
115(CLD), 1151(CLD): date
120: 21/23 jewels
120(CLD): 21 jewels, date
120(CLDA): 21 jewels, date hand

Related calibers
HB 115, HB 115 (CLD), HB 1151, HB 1151 (CLD), HB 1161, HB 120, HB 120 (CLD), HB 120 (CLDA)
Is COSC certifiedNo

Technical Details

Lignes Dimensions11.5 ‴
Dimensions26 mm
Height4.85 mm
Further MeasuresMounting Diameter (Dm): 25.5mm
Stem height (T): 1.6mm
Mounting Height (F): 1.15mm
Power Reserve44 hours
Frequency18,000 vph
Jewels18

Complications and Specifications

ShapeRound
Complications
  • Sweep Second
  • Moon Phase
Shock ProtectionOther / Vintage
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeManual
Escapement TypeSwiss Lever
Control TypeBalance Wheel
Winding TypeStem Winding (Crown)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.50 x 0.90 x 0.20mm
Hand Count3
Country Of Manufacture(not set)
NotesRemarks: differences not known between 115, 1151, 1161
Other data: balance staff: U1407 stem: W1146 mainspring / battery: Zf1060, 1.40 x 10.0 x 0.13 x 270mm balance staff ronda: 4181 (11,5) balance staff ronda: 3405 (11,5) stem ronda: 329 (11,5) stem ronda: 668 (11,5)
Ranfft mentioned about this caliber: There are variants with this quantity of jewels 17, 18
Signatureca. 1950: 17 Jewels - HB 115MS; Super-Shock-Resist (HB 115)

Metadata

Created AtSep 15, 2023
Updated AtApr 23, 2025, 11:32:58 PM
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